/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hbase.coprocessor.example;

import java.io.IOException;
import java.util.List;
import org.apache.hadoop.hbase.ExtendedCell;
import org.apache.hadoop.hbase.regionserver.InternalScanner;
import org.apache.hadoop.hbase.regionserver.ScannerContext;
import org.apache.yetus.audience.InterfaceAudience;

/**
 * A simple delegation for doing filtering on {@link InternalScanner}.
 */
@InterfaceAudience.Private
public class DelegatingInternalScanner implements InternalScanner {

  protected final InternalScanner scanner;

  public DelegatingInternalScanner(InternalScanner scanner) {
    this.scanner = scanner;
  }

  @Override
  public boolean next(List<? super ExtendedCell> result, ScannerContext scannerContext)
    throws IOException {
    return scanner.next(result, scannerContext);
  }

  @Override
  public void close() throws IOException {
    scanner.close();
  }
}
